Data as of Nov 14, 2026
103.164.166.0/23
No anonymizer space · no proxy exits in 30 daysResearch Organization of Information and Systems, National Institute of Informatics · space held by Shiga Prefectural Government
Network & registry
Origin network
AS2907
JP
- Name
- Research Organization of Information and Systems, National Institute of Informatics
- Type
- Education
- Registered
- Aug 1, 2002
- Domain
- sinet.ad.jp
- Website
- www.sinet.ad.jp/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2021
- Current origin since
- Mar 2021 · 5.6 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2907 | JPIRR | Shiga Prefectural Government | MAINT-AS2907 | Feb 2, 2026 |
Whois
Registration for this announcement
- Range
- 103.
164. 166. 0/ 23 - Netname
- PREF-SHIGA-CIDR-BLK-JP
- Registrant
- Shiga Prefectural Government
- Registrant country
- JP
- Organization
- Shiga Prefectural Government
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Mar 23, 2021
- RIR
- APNIC
- Country
- JP
- Delegated
- Mar 22, 2021
- Status
- assigned
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